The Regiment^[1] is an American hip hop duo from Detroit, Michigan, United States. It consists of rappers OSI and IseQold. Their most recent LP, Live from the Coney Island, was released in 2014.

The Regiment^[2] was founded in 2006 by O.S.I and C.Reid. Both grew up on the same neighborhood on the westside of Detroit. After a year, they released their first major release in 2007, The Come Up^[3] with the Rawkus 50 of Rawkus Records. Some years later, the two parted ways. In 2008, a college classmate of O.S.I.'s, IseQold, joined up with him. In 2009, the duo released their first LP as a group, called A New Beginning.^[4] Apollo Brown produced their first single, "Old School Vibe".^[5] "Abstract" from A New Beginning was featured on iTunes’ Indie Spotlight and was ranked at #8 on their Best of 2009.^[6]

In 2010, they released A New Change, a collaborative EP with Soulution. In 2011, they had several releases. They released a mixtape, Back to Lyrics; an EP, First Mondays, and an LP, The Panic Button. The Panic Button was released under HiPNOTT Records,^[7][8] and it received an honorable mention from DJ Premier for their album.^[9] "Battle Cry", their first single from The Panic Button,^[10] was produced by Apollo Brown.^[11] In 2014, The Regiment released their most recent studio album, Live from the Coney Island.^[12]